Compared to other minerals, a mineral that is ranked higher on the moh’s scale will be: a. harder c. more dense b. shinier d. more reactive

Why are recessive alleles not removed from populations over time? a.individuals can pass recessive alleles on to offspring b.recessive alleles are removed with enough time c.recessive alleles will always reappear after being removed

Which animal adaptation happened before the others? a. reproduction on land b. development of a coelom c. bilateral symmetry d. lungs

How has technology been used to address issues related to sewage? o a. sewage treatment plants use bacteria to clean water and solid waste before releasing it into the environment. o b. sewage treatment plants heat water to kill bacteria. o c. sewage treatment plants use landfills to filter and clean water and solid waste before releasing the water into the environment. o d. sewage treatment plants cool water to kill bacteria.